Merck PSF-CMV-PGK-?GAL - DUAL PROMOTER BETA GAL PLASMID

PSF-CMV-PGK-?GAL - DUAL PROMOTER BETA GAL PLASMID

plasmid vector for molecular cloning

expression vector, molecular cloning vector, vector, snapfast vector, plasmid vector, cloning vector, plasmid

form

buffered aqueous solution

분자량

size 7888 bp

박테리아 선정

kanamycin

복제개시점

pUC (500 copies)

펩타이드 절단

no cleavage

프로모터

Promoter name: CMV
Promoter activity: constitutive
Promoter type: mammalian

리포터 유전자

beta Gal

배송 상태

ambient

저장 온도

−20°C

This plasmid contains two promoters that terminate transcription at the same poly-adenylation signal allowing the expression of two genes from one expression cassette where the second gene is the beta galactosidase (beta gal) colourimetric reporter gene. The second promoter (PGK) is approximately 10-fold weaker than the upstream CMV promoter in most commonly used cell lines.

Promoter Expression Level: This plasmid contains the mammalian CMV promoter to drive gene expression. We have tested all of our mammalian promoters in a range of cell types and CMV is consistently the strongest in those we have studied. However there are many reports of the CMV promoter demonstrating silencing by methylation in long-term culture.